TRUE STROBE 0.1 CENT ACCURACY - Accurate to 1/1000th of a Semitone or 1/1000th of a Fret. UPGRADED CLAMP - Accommodates Larger Instruments | HIGH-DEFINITION BACKLIT DISPLAY - Can Display the Smallest Pitch Deviations. UPDATED POWER BUTTON - Raised Edge to Help Identify Location | CHROMATIC PERFORMANCE - Automatically Displays Note and Deviation from Center Pitch. BATTERY INCLUDED - Single CR2032 Battery Required | AUTO TRANSPOSITION - Drop Tuning and Capo Settings. WIDE VIEWING ANGLE - Visible In Direct Sunlight | SWEETENED TUNING PRESETS - Over 50 Enhanced Tuning Offsets for a Variety of Stringed, Woodwind, and Brass Instruments. WARRANTY - Two-Year Warranty from Peterson